Originally appearing in separate booklets, at intervals, under the auspices of the Kollel (collegiate body) of advanced rabbinical students connected with the Lubavitcher Rebbe`s Secretariat, in Brooklyn, New York. these journals include Chidushai Torah (Talmudic Novellae) and related material composed by the leaders of Chabad of Chabad and their students and provide a forum for advanced study of the Torah of Chassidus.